一、Solution Introduction:

SAC8904 is a highly integrated automotive-grade HD video processing SoC master control chip. The chip complies with AEC-Q100 certification and can provide PPAP documents. SAC8904 integrates a Cortex-A55 high-performance quad-core processor with a maximum operating frequency of 1.5GHz. It supports 16-channel video input and incorporates high-performance H.264/H.265 encoders and decoders, delivering video encoding/decoding capabilities equivalent to 16 channels of 1080p@30fps. It can support up to 2 channels of 4K@60fps or 64 channels of D1@30fps.

The built-in high-performance IPU of SAC8904 offers 10 TOPS of computing power. Paired with Sigmastar's self-developed StarShuttle algorithm toolchain, it supports functions such as front-view ADAS and automatic parking. The chip also supports PCIe cascading for expanded computing power and video stream access capabilities. Overall, it features high reliability, high performance, high video quality, and low cost.

二、Key Specifications:

Processor: Cortex-A55 quad-core @1.5GHz

DRAM: Dual 32-bit DDR4/LPDDR4/4X interfaces
Video Codec: H.265/H.264, 1080p@30fps×16 channels
Video Input: MIPI D-PHY1.2, BT.601/656/1120, YUV422, etc.
Video Output: MIPI, TTL, CVBS, VGA, BT.656/1120
Security: Supports DES/3DES/AES128/192/256-bit, RSA2048, SHA-I/SHA-256, OTP enabled
USB Interfaces: 1×USB3.1, 2×USB2.0
Audio: I2S, 2×ADC, 1×DAC
Storage Interfaces: SPI Nor/Nand, SDIO3.0, SD3.0
Peripherals: GPIOs, 7×UART, 12×PWM, 4×SPI, 11×I2C, 4×Timer, ADC, RTC, IrDA, etc.
Connectivity: 2×Gigabit Ethernet MACs, 2×PCIe2.0 MAC and PHYs
Operating Temperature: -40℃~85℃
Package: FC BGA1365, 25×25mm

三、Applications and Solution Documentation:

The primary application scenarios of the SAC8904 solution include: ADAS (Advanced Driver Assistance Systems), APA (Automatic Parking Assist), DMS (Driver Fatigue Monitoring), high-end action cameras, etc. The solution documentation includes a complete hardware platform and software SDK, providing FAE support for rapid mass production.

StarVision Technologies launched the SAC8539 and SAC8542 chips in 2022, followed by the next-generation ADAS chips and solutions including SAC8904, SSC8702, and SAC8902. In 2025, new chips and application solutions such as SAC8916 and SAC8950 will continue to be released, forming a complete integrated driving and parking autonomous driving solution. It can fully cover driving scenarios such as ACC, LDW, LKA, AEB, and NOA; parking scenarios such as APA, RPA, and AVP; and smart cockpit perception scenarios such as CMS, DMS, OMS, and IMS. It meets market demands for ultra-optimized in-vehicle intelligent vision, ADAS L1~L3 levels, optimal performance, and highest cost-effectiveness.

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